單項選擇題

You are using the backup scheduler in Enterprise Manager （EM） to schedule a backup of your database. Which type of script does the backup scheduler generate？（）

A.SQL script
B.PL/SQL script
C.Operating System （OS） script
D.Enterprise Manager （EM） script
E.Recovery Manager （RMAN） script

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單項選擇題

You suspect unauthorized data manipulation language （DML） operations on a particular table. You want to track users who are performing the transactions and the values used in the transactions. Also， you plan to transfer these values to another table for analysis.
How would you achieve this？（）

A.by using triggers
B.by using external tables
C.by using anonymous PL/SQL blocks
D.by auditing all DML operations on the table

單項選擇題

As a result of performance analysis， you created an index on the prod_name column of the prod_det table， which contains about ten thousand rows. Later， you updated a product name in the table. How does this change affect the index？（）

A.A leaf will be marked as invalid.
B.An update in a leaf row takes place.
C.The index will be updated automatically at commit.
D.A leaf row in the index will be deleted and inserted.
E.The index becomes invalid when you make any updates.

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You are using the backup scheduler in Enterprise Manager （EM） to schedule a backup of your database. Which type of script does the backup scheduler generate？ （）

你可能感興趣的試題

As a result of performance analysis， you created an index on the prod_name column of the prod_det table， which contains about ten thousand rows. Later， you updated a product name in the table. How does this change affect the index？（）

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You are using the backup scheduler in Enterprise Manager （EM） to schedule a backup of your database. Which type of script does the backup scheduler generate？（）

As a result of performance analysis， you created an index on the prod_name column of the prod_det table， which contains about ten thousand rows. Later， you updated a product name in the table. How does this change affect the index？（）